Add some tests for the textbox

Signed-off-by: Uli Schlachter <psychon@znc.in>

spec/wibox/widget/textbox_spec.lua

@@ -0,0 +1,127 @@
+---------------------------------------------------------------------------
+-- @author Uli Schlachter
+-- @copyright 2015 Uli Schlachter
+---------------------------------------------------------------------------
+
+-- Grml...
+_G.awesome = {
+    xrdb_get_value = function(a, b)
+        if a ~= "" then error() end
+        if b ~= "Xft.dpi" then error() end
+        return nil
+    end
+}
+
+local textbox = require("wibox.widget.textbox")
+
+describe("wibox.widget.textbox", function()
+    local widget
+    before_each(function()
+        widget = textbox()
+    end)
+
+    describe("emitting signals", function()
+        local redraw_needed, layout_changed
+        before_each(function()
+            widget:connect_signal("widget::redraw_needed", function()
+                redraw_needed = redraw_needed + 1
+            end)
+            widget:connect_signal("widget::layout_changed", function()
+                layout_changed = layout_changed + 1
+            end)
+            redraw_needed, layout_changed = 0, 0
+        end)
+
+        it("text and markup", function()
+            assert.is.equal(0, redraw_needed)
+            assert.is.equal(0, layout_changed)
+
+            widget:set_text("text")
+            assert.is.equal(1, redraw_needed)
+            assert.is.equal(1, layout_changed)
+
+            widget:set_text("text")
+            assert.is.equal(1, redraw_needed)
+            assert.is.equal(1, layout_changed)
+
+            widget:set_text("<b>text</b>")
+            assert.is.equal(2, redraw_needed)
+            assert.is.equal(2, layout_changed)
+
+            widget:set_markup("<b>text</b>")
+            assert.is.equal(3, redraw_needed)
+            assert.is.equal(3, layout_changed)
+
+            widget:set_markup("<b>text</b>")
+            assert.is.equal(3, redraw_needed)
+            assert.is.equal(3, layout_changed)
+        end)
+
+        it("set_ellipsize", function()
+            assert.is.equal(0, redraw_needed)
+            assert.is.equal(0, layout_changed)
+
+            widget:set_ellipsize("end")
+            assert.is.equal(0, redraw_needed)
+            assert.is.equal(0, layout_changed)
+
+            widget:set_ellipsize("none")
+            assert.is.equal(1, redraw_needed)
+            assert.is.equal(1, layout_changed)
+        end)
+
+        it("set_wrap", function()
+            assert.is.equal(0, redraw_needed)
+            assert.is.equal(0, layout_changed)
+
+            widget:set_wrap("word_char")
+            assert.is.equal(0, redraw_needed)
+            assert.is.equal(0, layout_changed)
+
+            widget:set_wrap("char")
+            assert.is.equal(1, redraw_needed)
+            assert.is.equal(1, layout_changed)
+        end)
+
+        it("set_valign", function()
+            assert.is.equal(0, redraw_needed)
+            assert.is.equal(0, layout_changed)
+
+            widget:set_valign("center")
+            assert.is.equal(0, redraw_needed)
+            assert.is.equal(0, layout_changed)
+
+            widget:set_valign("top")
+            assert.is.equal(1, redraw_needed)
+            assert.is.equal(1, layout_changed)
+        end)
+
+        it("set_align", function()
+            assert.is.equal(0, redraw_needed)
+            assert.is.equal(0, layout_changed)
+
+            widget:set_align("left")
+            assert.is.equal(0, redraw_needed)
+            assert.is.equal(0, layout_changed)
+
+            widget:set_align("right")
+            assert.is.equal(1, redraw_needed)
+            assert.is.equal(1, layout_changed)
+        end)
+
+        it("set_font", function()
+            assert.is.equal(0, redraw_needed)
+            assert.is.equal(0, layout_changed)
+
+            widget:set_font("foo")
+            assert.is.equal(1, redraw_needed)
+            assert.is.equal(1, layout_changed)
+
+            widget:set_font("bar")
+            assert.is.equal(2, redraw_needed)
+            assert.is.equal(2, layout_changed)
+        end)
+    end)
+end)
+
+-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80